News
- Tech
Making a 3-D Microscope: Technique brings entire sample into focus
A new imaging technique creates microscopic three-dimensional views of tissues within a patient's body and can update those images several times a second.
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Addiction Subtraction: Brain damage curbs cigarette urge
Scientists have identified an area of the brain where damage seems to quickly halt a person's desire to smoke.
- Planetary Science
Stellar death may spawn solar system
Material shed by a dying star might give birth to planets.
- Astronomy
Astronomers discover smallest galaxy ever
Astronomers have found the smallest galaxy yet recorded, about one-sixteenth the diameter of the Milky Way.
- Physics
Solving a 400-year-old supernova riddle
Astronomers have determined that Kepler's supernova, the last stellar explosion witnessed in our galaxy, belongs to the class known as type 1a.
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- Earth
Heating releases cookware chemicals
Nonstick coatings on fry pans and microwave-popcorn bags can, when heated, release traces of potentially toxic perfluorinated chemicals.
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Aging vets take stress disorder to heart
Veterans grappling for decades with post-traumatic stress disorder have a greater risk of developing and dying from heart disease than do their peers who don't suffer from the stress ailment.
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Trichomoniasis-causing organism is sequenced
Scientists have taken a first read of the genetic sequence of the organism responsible for a sexually transmitted infection called trichomoniasis.
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Starved for Assistance: Coercion finds a place in the treatment of two eating disorders
Attempts by family, friends, and others to coerce people with serious eating disorders into getting mental-health care provide a valuable jump-start to treatment.
- Paleontology
Going Under Down Under: Early people at fault in Australian extinctions
A lengthy, newly compiled fossil record of Australian mammals bolsters the notion that humanity's arrival on the island continent led to the extinction of many large creatures there.
- Ecosystems
Saving Whales the Easy Way? Less lobstering could mean fewer deaths
A provocative proposal suggests that the U.S. lobster fleet in the Gulf of Maine could reduce the number of traps, maintain its profits, and improve life for endangered right whales.
